function singleFile(){
    myform.action=top.tophead.ctxpath+"/sample/FileUploadCtrl!oneFileUpload.do";
    myform.target="content";
    myform.submit();
}
function mutiFile(){
    myform.action=top.tophead.ctxpath+"/sample/FileUploadCtrl!mutiFileUpload.do";
    myform.target="content";
    myform.submit();
}
function downFile(){
    myform.action=top.tophead.ctxpath+"/sample/FileUploadCtrl!downloadFile.do";
    myform.target="content";
    myform.submit();
}
function readExcel(){
    myform.action=top.tophead.ctxpath+"/sample/FileUploadCtrl!readExcel.do";
    myform.target="content";
    myform.submit();
}